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and atoms contan nucleus surrounded by an electron cloud that co﻿sists of one more energy levels

﻿whats a nucleus?

a nucleus is the﻿he central and most important part of an object, movement, or group, forming the basis for its activity and growth

﻿yeah ﻿

hmmm i dont know

wait one more question what an proton?

its a a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.﻿

﻿hey jeremy do you know what a electron cloud dose?

Electron cloud is an informal way to descibe an atomic orbital.

whats an atomic mass?﻿

well a atomic mass is ﻿the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.